diff options
author | Avi Kivity <avi@qumranet.com> | 2007-03-04 06:59:30 -0500 |
---|---|---|
committer | Avi Kivity <avi@qumranet.com> | 2007-05-03 03:52:24 -0400 |
commit | b4e63f560beb187cffdaf706e534a1e2f9effb66 (patch) | |
tree | 1fe1a640530af04d1d722e0c99c8086b0e13f1e7 /include | |
parent | 5d308f4550d9dc4c236e08b0377b610b9578577b (diff) |
KVM: Allow userspace to process hypercalls which have no kernel handler
This is useful for paravirtualized graphics devices, for example.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/kvm.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h index c93cf53953af..9151ebfa22e9 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h | |||
@@ -11,7 +11,7 @@ | |||
11 | #include <asm/types.h> | 11 | #include <asm/types.h> |
12 | #include <linux/ioctl.h> | 12 | #include <linux/ioctl.h> |
13 | 13 | ||
14 | #define KVM_API_VERSION 6 | 14 | #define KVM_API_VERSION 7 |
15 | 15 | ||
16 | /* | 16 | /* |
17 | * Architectural interrupt line count, and the size of the bitmap needed | 17 | * Architectural interrupt line count, and the size of the bitmap needed |
@@ -41,6 +41,7 @@ enum kvm_exit_reason { | |||
41 | KVM_EXIT_UNKNOWN = 0, | 41 | KVM_EXIT_UNKNOWN = 0, |
42 | KVM_EXIT_EXCEPTION = 1, | 42 | KVM_EXIT_EXCEPTION = 1, |
43 | KVM_EXIT_IO = 2, | 43 | KVM_EXIT_IO = 2, |
44 | KVM_EXIT_HYPERCALL = 3, | ||
44 | KVM_EXIT_DEBUG = 4, | 45 | KVM_EXIT_DEBUG = 4, |
45 | KVM_EXIT_HLT = 5, | 46 | KVM_EXIT_HLT = 5, |
46 | KVM_EXIT_MMIO = 6, | 47 | KVM_EXIT_MMIO = 6, |
@@ -103,6 +104,13 @@ struct kvm_run { | |||
103 | __u32 len; | 104 | __u32 len; |
104 | __u8 is_write; | 105 | __u8 is_write; |
105 | } mmio; | 106 | } mmio; |
107 | /* KVM_EXIT_HYPERCALL */ | ||
108 | struct { | ||
109 | __u64 args[6]; | ||
110 | __u64 ret; | ||
111 | __u32 longmode; | ||
112 | __u32 pad; | ||
113 | } hypercall; | ||
106 | }; | 114 | }; |
107 | }; | 115 | }; |
108 | 116 | ||